Physics, 23.06.2021 03:10, insomniacnana2

A ball is thrown into the air with a velocity of 39 ft/s. Its height, in feet, after t seconds is given by s(t) = 39t − 16t2. Find the velocity (in ft/s) of the ball at time t = 1 second.

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A ball is thrown into the air with a velocity of 39 ft/s. Its height, in feet, after t seconds is gi...